Q1 4,5,6 point
Q2 2,3 point
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1,4,5,6 is the only answer and make me brainlist
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given questions all are based on the formula (a+b) (a-b) = a^2+b^2
you can apply and do
in 2nd Roman third one first multiply first two terms. do 4th one also like 3rd
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