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CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/1 · Q31 Marksdeterminants

CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/1 · Question 3 (Determinants)

If \(\begin{vmatrix}3x&x+2\\3(x-1)&x-2\end{vmatrix}=\begin{vmatrix}1&5\\3&3\end{vmatrix}\), find x.

✅ Step-by-Step Solution

Final Answer: 2
  1. Expanding gives 6−9x=−12, so x=2.

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All Questions in CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/1

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