Evaluate : [( -2/3)to the power -3 - (-3/4) to the power -3 ] ÷ 3/4 to the power 2
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L.C.M. of 3 and 5 = 12
(-2x4)power -3 /12 ; (3x3)power -3 /12
-8power-3 ; 9power-3
8x8x8 ; -9x-9x-9
512 + (-729)
-217 ans
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