Question

वर्ग निकालिए:
(a) (5a+4b)​

Answer 1

Answer:

${(5a + 4b)}^{2} = {(5a)}^{2} + {(4b)}^{2} + 2 \times 5a \times 4b \\ \\ = = > \: \: \: 25 {a}^{2} + 16 {b}^{2} + 40ab$

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Identity Used:-

• ${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

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