Question

0.13 Find the smallest number by which 1287 should be multiplied, so as to get a perfect square.
​

Answer 1

Answer:

$lcm \: of \: 1287 = 3 \times 3 \times 11 \times 13 \\ so \: there \: are \: no \: pair \: 11 \: and \: 13 \\ we \: will \: multiply \: 11 \: and \: 13 \: with \: the \: number \\ 1287 \times 11 \times 13 = 184041 \\ \sqrt{184041} = \sqrt{3 \times 3 \times 11 \times 11 \times 13 \times 13} \\ = 3 \times 11 \times 13 \\ = 429$

Please mark my answer as brainliest answer