Question

(C)
Find the square of the following numbers
without actual multiplication :
(a) 53
(b) 27
(c) 38
(d) 42
(e) 56
(f) 55
(g) 65
(h) 105​

Answer 1

$\huge{\boxed{\fcolorbox{lime}{lavenderblush}{ANSWER}}}$

(a) (53)²

$= \:{(50 + 3)}^{2} \\ \\ = (50 + 3) \: (50 + 3) \\ \\ = 50 \: (50 + 3) + 3 \: (50 + 3) \\ \\ = 2500 + 150 + 150 + 9 \\ \\ = 2800 + 9 \\ \\ = 2809$

☃️ I had done only one from the given numbers . As the method I done the first one, all are do in same method .

✔️ Plz mark as Brainliest Answer....