Shivang Gupta on Instagram: "cbse pyq 2025 vector algebra Q) Let 𝑎 ,𝑏 and 𝑐 be three vectors such that 𝑎 ⋅𝑏 =𝑎 ⋅𝑐 and 𝑎 ×𝑏 =𝑎 ×𝑐 ,𝑎 ≠0. Show that 𝑏 =𝑐 #vectoralgebra #vectors #cbse2026 vector algebra class 12 vector algebra class 11 physics vectors maths class 12 introduction of vector algebra vector algebra explanation vector algebra class 11 maths what is vector in mathematics vector in engineering mathematics vector algebra class 12 physics vector algebra class 12 introduction v