यदि a² + b² = 73 और a - b = 5 तथा a > 0 हो तो a का मान क्या होगा? - - Yadi a& # 178 + b& # 178 = 73 Aur A - B = 5 Tatha A> 0 Ho To A Ka Maan Kya Hoga ? Maths in hindi, surds & indices 3 question answers in hindi pdf 11 questions in hindi, Know About 8 Maths online test Maths notes in hindi quiz book - 3