find the value of 625x^2+676x^2,if 25x-26y=16 and xy=7.
Answers
Answered by
2
Answer:
Step-by-step explanation:
By squaring both side of 25X - 26Y = 16
625 X^2 + 676 Y^2 - 2× 25X × 26Y= 256
625 X^2 + 676 Y^2 - 1300 × 7= 256
625 X^2 + 676 Y^2 = 256 + 9100
625 X^2 + 676 Y^2 =9356
Similar questions