find the co efficient of x in the expansion of (x+3) whole cube
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The correct answer is 9..
chandanasundar:
how
you have to first know that what is the formula of (a+b)3 after solving it you can fine the correct answer!! ok
I got the answer the coefficient of x as 27 plz clarify me
ok wait for 5 min
x cube + 27 + 3 x × 3 ( X + 3)= x cube + 27 + 9 x( X + 3)= x cube + 9 X square + 27 X + 27 so in last line u can clerify the coeefficient of x
tq
plz mrk as brainlisy..
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