using suitable identity expand : (5/2x +3/4) ^3
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Answer:
125x³/8 + 27/64 + 225x²/16 + 135x/32
Step-by-step explanation:
using identity (a + b)³= a³+b³+3ab(a+b)
=(5x/2)³+(3/4)³+3(5x/2×3/4)(5x/2+3/4)
=125x³/8+27/64/45x/8(5x/2+3/4)
=125x³/8 + 27/64 + 225x²/16 + 135x/32
(✿✿✿) HOPE THIS HELPS YOU (✿✿✿)
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