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प्रश्न
Choose the correct answer from the given four options :
If `[(x - 2y, 5),(3, y)] = [(6, 5),(3, -2)]` then the value of x is
विकल्प
– 2
0
1
2
उत्तर
`[(x - 2y, 5),(3, y)] = [(6, 5),(3, -2)]`
Comparing, we get
y = -2
and
x – 2y = 6
⇒ x – 2 x (-2) = 6
⇒ x + 4 = 6
⇒ x = 6 – 4 = 2.
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