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5a+6b is equals to 15 and ab is equal to 5 . Find 25asquare+36bsquare |
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Answer» 5a + 6b = 15 ab = 5 on SQUARING on both sides ( 5a + 6b ) ^ 2 = 15 ^2 = ( a + B ) ^2 = a^2 + b^2 + 2 (ab) = ( 5a ^ 2 + 6b ^2 + 2 ( 5 ) = 225 25a^ 2 + 36b ^ 2 + 10 = 225 25a^2 + 36b^2 = 225 - 10 = 215 HOPE it helps you pls MARK as brainliest |
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