if x/y=13/6
then find the value of 2x2+5y2/2x2-5y2
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Answer:
x =13
y 6
2x²+5y²
2x²-5y²
=2(13) ²+5(6) ²
2(13) ²-5(6) ²
=2×169+5×36
2×169-5×36
=338+180
338-180
=518
158
=3.27849
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