Question

Please ise jaldi se jaldi solve karke bhej do I will also mark you as a brainlist

Answer 1

Answer:

If x=(9-4root5)

And y=(9+4root5)

To show that:(x2 - y2)

=(X2-y2) =(x+y) (x-y)

=(9+4root5) (9-4root5)

On multiplying:

9*9-(-4root5*(4root5)

18+80=98

This is the right answer

Thanks for seeing.

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