Question

Solve (6+1/3y)²

Plsss helpppp

Answer 1

Answer:

$=( \: 6 + \frac{1}{3} ) {}^{2} \\ = 6 {}^{2} + ( \frac{1}{3} ) {}^{2} + 2 \times 6 \times \frac{1}{3} \\ = 36 + \frac{1}{9} + 4 \\ = \frac{324 + 1 + 36}{9} \\ = \frac{361}{9} = 40.1111111111$

using identity( a+b)^2 = a^2 +b^2+2×a×b