Question

plss solve this please bhiaya didi plsss dono question plss plss ​

Answer 1

Step-by-step explanation:

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Answer 2

$\large\huge\mathfrak{\red{Answer : - }} \\ \\ \huge \boxed 1 \\ \\ \: 1.) {2003}^{2} - {1997}^{2} \\ \\ (2003 + 1997)(2003 - 1997) \\ \\ \: \: \: ⟹4000 \times 6 \\ \\ \large\underline\mathfrak{\pink{⟹24000}} \\ \\ \\ 2.) {100.6}^{2} - {99.4}^{2} \\ \\ (100.6 + 99.4)(100.6 - 99.4) \\ \\ ⟹200 \times1.2 \\ \\\large\underline\mathfrak{\green{ \implies240}} \\ \\ \\ \huge\: Identity \: used \: is : - \\ \\ {a}^{2} - {b}^{2} = (a + b)(a - b) \\ \\ \\ \huge \boxed 2 \\ \: 1.) \: \: \frac{ {5682}^{2} - {3432}^{2} }{9114} \\ \\ \frac{(5682 + 3432)(5682 - 3432)}{9114} \\ \\ \implies\frac{9114 \times 2250} {9114} \\ \\ \large\underline\mathfrak{\red{⟹2250}} \\ \\ 2.) \: \: \frac{ {4.987}^{2} - {3.013}^{2} }{1.974} \\ \\ \frac{(4.987 + 3.013)(4.987 - 3.013) }{1.974} \\ \\ \frac{8 \times 1.974}{1.974} \\ \\ \large\underline\mathfrak{\red{ \implies8}}$