Question

if 3x-4y=10 and xy =-1 find value of 9x+ 16y^2​

Answer 1

Answer:

If 3x - 4y = 10 and xy = -1 then the value of  

Solution:

In the question it is given that  

3x - 4y = 10   ……………(Equation 1)

xy = -1           …………….(Equation 2)

Squaring Equation 1 we get,

Substituting the value of xy from equation 2, we get

Thus the value of  is 76

Step-by-step explanation: