1.

Find the two root by using quadratic formula ​

Answer»

step by step9×2-9(a+b)X+(2a²+5ab+2b²) =0Explationsbi QUADRATIC formula9 (a + b) +√81 (a+b)²-4(9)(2a²+5ab+2b²-)/2(9)resolving d81(a+b)2-4(9)(2a²+5ab+2b²)81(a²+b²+2ab)-36(2a²+5ab+26²)81a²+81b²+162ab-72a²-180ab-726²9a²+9b²-18ab-[3(a+b)]²D=[3(a+b)²;√D=3(a+b)



Discussion

No Comment Found

Related InterviewSolutions