295558
What should be added to xy + yz + zx to get -xy - yz - zx?
1 -2xy - 2yz - 2zx
2 -3xy - yz - zx
3 -3xy - 3yz - 3zx
4 2xy + 2yz + 2zx
Explanation:
-2xy - 2yz - 2zx Since, (-xy - yz - zx) - (xy + yz + zx) = -xy - yz - zx - xy - yz - zx = -2xy - 2yz - 2zx So, -2xy - 2yz - 2zx should be added to xy + yz + zx to get -xy - yz - zx. Hence, the correct alternative is option (a).
ALGEBAIC EXPRESSIONS
295559
If m = 2 and n = 1, then find the value of following polynomials 4m\(^{1}\)n:
1 16
2 14
3 13
4 None of these
Explanation:
16 Let us substitute m = 2 and n = 1 in the given polynomial 4m\(^{1}\)n as shown below. 4m\(^{1}\)n = 4(2)\(^{1}\)1 = 4 × 4 = 16 4m\(^{1}\)n = 16, if m = 2 and n = 1.
ALGEBAIC EXPRESSIONS
295560
Number of terms in the expression 3x\(^{1}\)y - 2y\(^{1}\)z - z\(^{1}\) + 5 is:
1 2
2 3
3 4
4 5
Explanation:
2 C 4 The terms in the expression are 3x\(^{1}\)y, - 2y\(^{1}\)z, - z\(^{1}\)x and 5. Hence, total number of terms is 4.
295558
What should be added to xy + yz + zx to get -xy - yz - zx?
1 -2xy - 2yz - 2zx
2 -3xy - yz - zx
3 -3xy - 3yz - 3zx
4 2xy + 2yz + 2zx
Explanation:
-2xy - 2yz - 2zx Since, (-xy - yz - zx) - (xy + yz + zx) = -xy - yz - zx - xy - yz - zx = -2xy - 2yz - 2zx So, -2xy - 2yz - 2zx should be added to xy + yz + zx to get -xy - yz - zx. Hence, the correct alternative is option (a).
ALGEBAIC EXPRESSIONS
295559
If m = 2 and n = 1, then find the value of following polynomials 4m\(^{1}\)n:
1 16
2 14
3 13
4 None of these
Explanation:
16 Let us substitute m = 2 and n = 1 in the given polynomial 4m\(^{1}\)n as shown below. 4m\(^{1}\)n = 4(2)\(^{1}\)1 = 4 × 4 = 16 4m\(^{1}\)n = 16, if m = 2 and n = 1.
ALGEBAIC EXPRESSIONS
295560
Number of terms in the expression 3x\(^{1}\)y - 2y\(^{1}\)z - z\(^{1}\) + 5 is:
1 2
2 3
3 4
4 5
Explanation:
2 C 4 The terms in the expression are 3x\(^{1}\)y, - 2y\(^{1}\)z, - z\(^{1}\)x and 5. Hence, total number of terms is 4.
295558
What should be added to xy + yz + zx to get -xy - yz - zx?
1 -2xy - 2yz - 2zx
2 -3xy - yz - zx
3 -3xy - 3yz - 3zx
4 2xy + 2yz + 2zx
Explanation:
-2xy - 2yz - 2zx Since, (-xy - yz - zx) - (xy + yz + zx) = -xy - yz - zx - xy - yz - zx = -2xy - 2yz - 2zx So, -2xy - 2yz - 2zx should be added to xy + yz + zx to get -xy - yz - zx. Hence, the correct alternative is option (a).
ALGEBAIC EXPRESSIONS
295559
If m = 2 and n = 1, then find the value of following polynomials 4m\(^{1}\)n:
1 16
2 14
3 13
4 None of these
Explanation:
16 Let us substitute m = 2 and n = 1 in the given polynomial 4m\(^{1}\)n as shown below. 4m\(^{1}\)n = 4(2)\(^{1}\)1 = 4 × 4 = 16 4m\(^{1}\)n = 16, if m = 2 and n = 1.
ALGEBAIC EXPRESSIONS
295560
Number of terms in the expression 3x\(^{1}\)y - 2y\(^{1}\)z - z\(^{1}\) + 5 is:
1 2
2 3
3 4
4 5
Explanation:
2 C 4 The terms in the expression are 3x\(^{1}\)y, - 2y\(^{1}\)z, - z\(^{1}\)x and 5. Hence, total number of terms is 4.
295558
What should be added to xy + yz + zx to get -xy - yz - zx?
1 -2xy - 2yz - 2zx
2 -3xy - yz - zx
3 -3xy - 3yz - 3zx
4 2xy + 2yz + 2zx
Explanation:
-2xy - 2yz - 2zx Since, (-xy - yz - zx) - (xy + yz + zx) = -xy - yz - zx - xy - yz - zx = -2xy - 2yz - 2zx So, -2xy - 2yz - 2zx should be added to xy + yz + zx to get -xy - yz - zx. Hence, the correct alternative is option (a).
ALGEBAIC EXPRESSIONS
295559
If m = 2 and n = 1, then find the value of following polynomials 4m\(^{1}\)n:
1 16
2 14
3 13
4 None of these
Explanation:
16 Let us substitute m = 2 and n = 1 in the given polynomial 4m\(^{1}\)n as shown below. 4m\(^{1}\)n = 4(2)\(^{1}\)1 = 4 × 4 = 16 4m\(^{1}\)n = 16, if m = 2 and n = 1.
ALGEBAIC EXPRESSIONS
295560
Number of terms in the expression 3x\(^{1}\)y - 2y\(^{1}\)z - z\(^{1}\) + 5 is:
1 2
2 3
3 4
4 5
Explanation:
2 C 4 The terms in the expression are 3x\(^{1}\)y, - 2y\(^{1}\)z, - z\(^{1}\)x and 5. Hence, total number of terms is 4.
295558
What should be added to xy + yz + zx to get -xy - yz - zx?
1 -2xy - 2yz - 2zx
2 -3xy - yz - zx
3 -3xy - 3yz - 3zx
4 2xy + 2yz + 2zx
Explanation:
-2xy - 2yz - 2zx Since, (-xy - yz - zx) - (xy + yz + zx) = -xy - yz - zx - xy - yz - zx = -2xy - 2yz - 2zx So, -2xy - 2yz - 2zx should be added to xy + yz + zx to get -xy - yz - zx. Hence, the correct alternative is option (a).
ALGEBAIC EXPRESSIONS
295559
If m = 2 and n = 1, then find the value of following polynomials 4m\(^{1}\)n:
1 16
2 14
3 13
4 None of these
Explanation:
16 Let us substitute m = 2 and n = 1 in the given polynomial 4m\(^{1}\)n as shown below. 4m\(^{1}\)n = 4(2)\(^{1}\)1 = 4 × 4 = 16 4m\(^{1}\)n = 16, if m = 2 and n = 1.
ALGEBAIC EXPRESSIONS
295560
Number of terms in the expression 3x\(^{1}\)y - 2y\(^{1}\)z - z\(^{1}\) + 5 is:
1 2
2 3
3 4
4 5
Explanation:
2 C 4 The terms in the expression are 3x\(^{1}\)y, - 2y\(^{1}\)z, - z\(^{1}\)x and 5. Hence, total number of terms is 4.
