plz answer any one sincerely.. very urgent.. right answer will be brainliest
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plz answer any one sincerely.. very urgent.. right answer will be brainliest
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Verified answer
given — 3x-4y=10
xy=-1
To find—(3x+4y)²
using the identity (a+b)²=a²+b²+2ab
(3x)²+(-4y)² = 9x²+16y²
xy =-1
(3x+4y)² = 9x²+16y²+2*3*(-4)*-1
= 9x²+16²+24
you can do the next by this method yourself