Question

please can anyone help meeee​

Answer 1

Answer:

14. D

15. B

Step-by-step explanation:

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Answer 2

Answer:

Q:- 14; (c)

Step-by-step explanation:

Q:- 14

${a}^{2} + {b}^{2} = 7 \\ \\ {(a - b)}^{2} = 3 \\ \\ from \: {(a - b)}^{2} \: \: equation \: \: \\ \\ = {a}^{2} - 2ab \: + {b}^{2} = 3 \\ \\ = {a}^{2} + {b}^{2} - 2ab = 3 \\ \\ = 7 - 2ab = 3 \\ \\ = - 2ab = - 4 \\ \\ = ab = 2$