Find the value of 49x²+36y², if 7x-6y=11 and xy=1
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Answered by
6
Answer:
205
Step-by-step explanation:
9x²+36y²
7x-6y=11
xy=1
49x²+36y²+84xy-84xy
(49x²+36y²-84xy)+84xy
(7x-6y)²+84xy. (sub 7x-6y=11)
11²+84×1 (sub xy=1here)
121+84
205
hope this helped
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Answered by
3
Answer:
205
Step-by-step explanation:
this is the steps of answer in the picture
You will get answer by just sticking to the concept of (a-b)^2=a^2+b^2-2ab
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