Question

If x+y = 25, xy=3, find the value of 25x²+9y²​

Answer 1

Answer:

As we know that (a+b)

2

=a

2

+b

2

+2ab

(3x+5y)

2

=9x

2

+25y

2

+2×3x×5y

(3x+5y)

2

=181−180=1

(3x+5y)=

1

so (3x+5y)=1 is Ans.

Answer 2

Answer:

1259

Step-by-step explanation:

thankyou so much , it hope it's right