plz do (d) of ques 1
plz plz do it fast
I will sure mark it brainliest answer plz plz
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(a+b)³+(a-b)³
=a³+3a²b+3ab²+b³+a³-3a²b+3ab²_b³
=2a³+6ab²
=2a(a²+3b²)
select a as x & b as 9/x
now do it yourself...
=a³+3a²b+3ab²+b³+a³-3a²b+3ab²_b³
=2a³+6ab²
=2a(a²+3b²)
select a as x & b as 9/x
now do it yourself...
akshat3130:
Respected, Plz do urgently this my ans is not coming correctly
2x(x²+3*(9/x)²)=2x³+486/x
fully
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