expand (3a+1/4b)whole cube
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Answered by
24
Hey dear !!
Here is yr answer.....
=> (3a+1/4b)³
It is in the form of ------
(a+b)³ = a³+3a²b+3ab²+b³
a = 3a , b = 1/4b
= (3a)³+3(3a)²(1/4b)+3(3a)(1/4b)²+(1/4b)²
= 27a³+3(9a²)(1/4b)+3(3a)(1/16b²)+1/64b²
= 27a³+27/4a²b+9/16ab²+1/64b²
Hope it hlpz...
Here is yr answer.....
=> (3a+1/4b)³
It is in the form of ------
(a+b)³ = a³+3a²b+3ab²+b³
a = 3a , b = 1/4b
= (3a)³+3(3a)²(1/4b)+3(3a)(1/4b)²+(1/4b)²
= 27a³+3(9a²)(1/4b)+3(3a)(1/16b²)+1/64b²
= 27a³+27/4a²b+9/16ab²+1/64b²
Hope it hlpz...
Answered by
8
( a+b)^3=a^3+b^3+3ab(a+b)
khushikhushhali81260:
Wlcm
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