simplyfy this sum fends plzz
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Answered by
1
(3x²+1/x)(3x²-1/x)
=3x²+1/x×3x²-1/x
=6x²
=3x²+1/x×3x²-1/x
=6x²
Mirnalini6:
but u tried ur best
which brother
He is in 5th and I don't know why he does all this
My little brother
ok
wow I thik he will become mathematician
think
LOL NO CHANCE
He can't solve questions of his level
but he tried it righr
Answered by
3
Do u know the this property:-
(a+b(a-b)= a^2-b^2
Now apply it here.
(3x^2)^2 -( 1/x)^2
=>9x^4-1/x^2
(a+b(a-b)= a^2-b^2
Now apply it here.
(3x^2)^2 -( 1/x)^2
=>9x^4-1/x^2
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