InterviewSolution
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InterviewSolution
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Mark the correct alternative in the following question:If a and b are respectively the sum and product of coefficients of terms in the expression x2 + y2 + z2 - xy - yz - zx, then a + 2b =(a) 0 (b) 2 (c) -2 (d) -1 |
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Answer» Mark the correct alternative in the following question: If a and b are respectively the sum and product of coefficients of terms in the expression x2 + y2 + z2 xy yz zx, then a + 2b = (a) 0 (b) 2 (c) 2 (d) 1 |
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