Question

find the following using identities
1. (2x+3y)^2
2. (3x-5)^2
3. (503)^2
4. (5.9)^2
can u give the answers with like steps and explanation ​

Answer 1

Step-by-step explanation:

1. (a+b)² = a+b²+2ab

(2x+3y)² = 2x²+3y²+2×2x×3y

= 2x²+3y²+12xy Ans.