Shivang Gupta on Instagram: "Cbse pyq 2025 three dimensional geometry class 12 class 12 Q) Find the value of 𝜆 if the following lines are perpendicular to each other : 𝑙_1:(1−x)/(−3)=(3y−2)/2𝜆=(z−3)/3𝑙_2:(x−1)/3𝜆=(1−y)/1=(2z−5)/3) Cbse pyq 2025 three dimensional geometry class 12 class 12 : class 12 physics chapter 12 ncert solutions : class 12 maths chapter 11 all formulas : class 9 maths chapter 11 ncert solutions : class 12 maths chapter 11 introduction : class 12 maths chapter 5 ncert s