If y+1/4y=2 then what is the value of 16y^3+1/4y^3. ?
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Answer:
13/2
Explanation:
It is given that,
y+1/4y = 2 ----(1)
Do the cube both sides of the equation (1) , we get
(y+1/4y)³ = 2³
=> y³+(1/4y)³+3y(1/4y)(y+1/4y)
= 8
=> y³+1/64y³ +(3/4)×2 = 8
=> y³+1/64y³ +3/2 = 8
=> y³+1/64y³ = 8-3/2
= (16-3)/2
= 13/2
••••
tauheedias:
amswer is wrong bro
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