Question

$slove \: this \: as\: fast \: as \: uh \: can \: becoz \: its \: too \: urgent \: \\ 1. \: ( {100 + 50)}^{2} \\ by \: using \:this \: basic \: formula \\ {a + b}^{2} = {a}^{2} + 2ab + {b}^{2} . \: \\ 2. \: { 90+4}^{2} \\ by \: using \: the \: same \: formula \: of \: {1}^{st} question \: . \\ 3. \: ({100 - 2})^{2} \\ by \: using \: this \: basic \: formula \: \\ ( {a - b})^{2} = {a}^{2} - 2ab \: + {b}^{2} \\ 4. \: ({106 - 3})^{2} \\ by \: using \: the \: same \: formula \: of \: question \: {3}^{rd} \\ 5. \: ({100 + 9})^{2} \\ by \: using \: the \: same \:formula \: if \: question \: {1}^{st} {2}^{nd} \\ . \\ . \\ thnx$
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Answer 1

Answer:(100+50)^=100^+2×100×50+50^

=13500

(90+4)^=90^+2×90×4+4^

=8836

(100-2)^=9604

(106-3)^=10609

(100+9)^=11881

Step-by-step explanation:

Answer 2

Heya mate the answer is above please mark us brainliest plllllllllzzzzxz