Question

find the value of a and b

Answer 1

$\frac{ \sqrt{7} + \sqrt{6} }{ \sqrt{7} - \sqrt{6} } \\ rationalising \\ \frac{13 + 2 \sqrt{42} }{7 - 6 } = 13 + 2 \sqrt{42} \\ = a + b \sqrt{42 } \\ compare \\ a = 13 \\ b = 2$

Answer 2

hey buddy
here's your answer
hope you'll be satisfy