find the product of 9a 4 ab and -2a
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-18a square - 8a^2b..........
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9a^2+16b^2
= (3a)^2+(4b)^2
= (3a+4b)^2 - 2×3a×4b
= (3a+4b)^2 - 24ab
= (16)^2 - 24×4
= 256 - 96
= 160 ans......
I hope you will understand ..
dhanush432:
but how
???????!!!
can u explain how
see answer
Yes i saw but i cant understand
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