Question

Calculate 9.6 square using identities

Answer 1

${(10 - 0.4)}^{2} \\ {10}^{2} + {0.4}^{2} - 2 \times 10 \times 0.4 \\ 100 + 0.16 - 8 \\ 92.16$

Answer 2

here is your ans.......