Question

a-b=3 aur a2+b2=29 toh ab= ?​

Answer 1

Step-by-step explanation:

a - b = 3 and a2 + b2 = 29, find the value of ab. ... they have given the value of a2+b2= 29 and a-b=3. substituting the value

Answer 2

$\huge{\mathcal{\green{\underline{Answer}}}}$

$(a - b) {}^{2} = a {}^{2} + b {}^{2} - 2ab \\ (3) {}^{2} = 29 - 2ab \\ 9 = 29 - 2ab \\ 9 - 29 = - 2ab \\ - 20 = - 2ab$

$\huge{\mathcal{\green{\underline{ab=10}}}}$