simplify (root 5+root 2)ka hole square
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answer is 7 + 2root10 by using formula (a+b) square
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Heya..
= (√5 + √2)^2
Let √5 be a and √2 be b.
Since
(a+b) ^2 = a^2 + b^2 + 2ab
= (√5 + √2)^2
= (√5) ^2 + (√2) ^2 + 2* √5 * √2
= 5 + 2 + 2√10
= 7 + 2√10
Hope it's helpful to u.
= (√5 + √2)^2
Let √5 be a and √2 be b.
Since
(a+b) ^2 = a^2 + b^2 + 2ab
= (√5 + √2)^2
= (√5) ^2 + (√2) ^2 + 2* √5 * √2
= 5 + 2 + 2√10
= 7 + 2√10
Hope it's helpful to u.
Shivani12311:
can you please help one more question
(a+b-3)^2
which one?
let (a+b) = x
and solve it as (x-3)^2
got it?
(a+b-3)^2
hii
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