if x+1/2x=4 then ,x×x+1/4x×x=?
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x+1/2x=4
x+1=8x
1=7x
x=1/7.
x×x+1/4x×x=
=1/7×1/7+1/4×1/7×1/7. (putting the value of x in the above equation)
=1/49+1/4/49
=50/49/4/49
=50/4
=25/2
Ans.25/2
x+1=8x
1=7x
x=1/7.
x×x+1/4x×x=
=1/7×1/7+1/4×1/7×1/7. (putting the value of x in the above equation)
=1/49+1/4/49
=50/49/4/49
=50/4
=25/2
Ans.25/2
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x+1/2x=4
x+1=8x
1=7x
x=1/7.
x×x+1/4x×x=
=1/7×1/7+1/4×1/7×1/7. (putting the value of x in the above equation)
=1/49+1/4/49
=50/49/4/49
=50/4
=25/2
Ans.12.5
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