Let ‌L1=2x+y−1=0 L2=3x+2y−5=0 The equation of straight line passing through the intersection point of the line L1‌and‌L2 is gven by L1+λL2=0 ⇒ (2x+y−1)+λ(3x+2y−5)=0 Since, this line passes through the origin also (0+0−1)+λ(0+0−5)=0 ⇒ −5λ=1⇒λ=−