Find the square of the sum — task. Maths CBSE Live product, Class 9 (2026-27).

\((3x + 5y)^2 =\)

i x^{i} + i x i + i i^{i}

[Note: Enter the numbers and variables in the separate box. Also, insert '\(-\)' if neccessary.]

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1. Find the square of the sum