Given that
Equating the corresponding elements we get.
a – b = – 1…(i)
2a + c = 5 …(ii)
2a – b = 0 …(iii)
3c + d =13 …(iv)
From (iii) 2a = b
⇒ a = b/2
Putting in (i) we get b/2 - b = - 1
⇒ -b/2 = - 1⇒ b = 2
∴ a = 1
(ii) c =5 - 2 x 1 = 5 - 2 = 3
(iv) d =13 – 3 x (3) = 13 – 9 = 4
i.e. a = 1, b = 2, c = 3, d = 4