Question

Determine the number of solutions for each system of equations using the elimination method.
A. {3x+2y=1
{2−3x−2y=−12


B. {−4x+2y=5
{4x−2y=7

Answer 1

Answer:

A. no solution

B. no solution  

Answer 2

A.no solution.

B no solution.

Given :    a+b=c   and    a+b=c

So,c2=(a+b).(a+b)

Or=(a+b)2=a2+b2+2a.b

Or=a2+b2+2ab=a2+b2+2abcosθ

So=cosθ=1

⟹ θ=0°