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(2.5m + 1.5q)^2 (2.5m - 1.5q)^2 |
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Answer» We have(2.5m+1.5q) 2 =(2.5m) 2 +2(2.5m)(1.5q)+(1.5q) 2 [using (a+b) 2 =a 2 +2ab+b 2 ]=6.25m 2 +7.5mq+2.25q 2 (2.5m−1.5q) 2 =(2.5m) 2 −2(2.5m)(1.5q)+(1.59) 2 [using (a−b) 2 =a 2 −2ab+b 2 ]=6.25m 2 −7.5mq+2.25q 2 THEREFORE,(2.5m+1.59) 2 +(2.5m−1.5q) 2 =(6.25m 2 +7.5mq+2.25q 2 )+(6.25m 2 −7.5mq+2.25q 2 )=6.25m 2 +7.5mq+2.25q + 6.25m 2 −7.5mq+2.25q 2 Collecting like TERMS,=6.25m 2 +6.25m 2 +2.25q 2 +2.25q 2 +7.5mq−7.5mq=12.50m 2 +4.50q 2Step-by-step explanation:pls mark me as BRAINLIST |
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