(5 1/2 )²-(4 1/2 )²=?
Monikasanthoshi:
230
230
check my method ntg wrong
IT IS NOT 230 IT IS 10
Answers
Answered by
2
(a^2 - b^2) = (a-b)×(a+b )
=> 1 × 10 = 10
=> 1 × 10 = 10
Nice. But would've been better if it is explained in at least 3 steps.
how
its enough i think sorry if u cannt understand
mark brainliest if u like
I don't have any doubts. Sorry for giving suggestions.
i dont mean tht
eveyone suggestion are cordially invited
Answered by
1
Given Equation is (5 * 1/2)^2 - 4(1/2)^2 can be written as
= (5 * 2 + 1/2)^2 - (4 * 2 + 1/2)^2
= (11/2)^2 - (9/2)^2
= 11^2/2^2 - 9^2/2^2
= 11^2 - 9^2/2^2
= 121 - 81/4
= 40/4
= 10.
Therefore the result is 10.
Hope this helps!
= (5 * 2 + 1/2)^2 - (4 * 2 + 1/2)^2
= (11/2)^2 - (9/2)^2
= 11^2/2^2 - 9^2/2^2
= 11^2 - 9^2/2^2
= 121 - 81/4
= 40/4
= 10.
Therefore the result is 10.
Hope this helps!
nice explanation
Thank You Mahak.
i m vry lazy nd cannt write like u
no friend dont be offend i dont mean that
i m cool not offensive
OK my fault sorry
fine u r like my small sis
yaa
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