Question

397×403 evaluate please solve the question correct​

Answer 1

Answer:

159991

here is your answer

Answer 2

$(400-3)(400+3) \\\\\ [(a-b)(a+b) ]= (a²-b²) \\\\\ \implies 400²-3² \\\\\ \implies 160000 - 9 \\\\\ \implies 159991$