how to solve (9.8)using identity
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Answered by
0
well that's simple.
use the identity (a+b)(a-b) = (a^2-b^2)
write 9.8 as (10-0.2) the other part in such that it matches with the equation.
Hope it helps.
use the identity (a+b)(a-b) = (a^2-b^2)
write 9.8 as (10-0.2) the other part in such that it matches with the equation.
Hope it helps.
Answered by
0
(a+b)(a-b)=(a^2-b^2) while equating with equation.
(10.0-0.2)=9.8......
(10.0-0.2)=9.8......
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