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the HCF and LCM of two algebraic expression are a(a-1) and a(a-1)(a-2) respectively.if one of the expression is a^3+2a^2-3a, the find out the other expression. |
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Answer» Answer: Since, H.C.F×L.C.M=one expression× SECOND expression ∴ Required expression = KNOWN expression H.C.F.×L.C.M
= 2a −3A−35 (a−5)(2a 3 +3a 2 −44a−105)
= 2a 2 −3a−35 (a−5)(a+3)(2a 2 −3a−35)
=(a−5)(a+3) =a 2 −2a−15. Option A is correct. |
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