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(C)Find the square of the following numberswithout actual multiplication :(a) 53(b) 27(c) 38(d) 42(e) 56(f) 55(g) 65(h) 105​

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(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....


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