answer the 16th question
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3x+5y =11
Square on both sides,
(3x+5y)²=11²
9x²+25y²+2(15xy) =121
9x²+25y²+{30*2}=121
9x²+25y²=121-60
9x²+25y²=61
Square on both sides,
(3x+5y)²=11²
9x²+25y²+2(15xy) =121
9x²+25y²+{30*2}=121
9x²+25y²=121-60
9x²+25y²=61
Answered by
1
3x+5y=11
(3x+5y)²=11²
9x²+30xy+25y²=11*11
9x²+30(2)+25y²=121
9x²+25y²=121-60
9x²+25y²=61
(3x+5y)²=11²
9x²+30xy+25y²=11*11
9x²+30(2)+25y²=121
9x²+25y²=121-60
9x²+25y²=61
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