plus two base question, please help me
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I've attached the images.
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★ Solution :-
Given ,
We need to find
- a , b , c , d
Here , by comparing both the matrices
→ 2a + b = 4
→ 2a = b - 4
→ a =
Assuming as eq 1
→ a - 2b = - 3
→ a = - 3 + 2b
Assuming as eq 2
Now , from eq 1 ,2
→ a = - 3 + 2b =
→ 2(-3 + 2b) = b - 4
→ - 6 + 2b - b = - 4
→ b = - 4 + 6
→ b = 2
Now , substituting b = 2 in eq 2
→ a = - 3 + 2(2)
→ a = - 3 + 4
→ a = 1
→ 5c - d = 11
→ 5c - 11 = d
Assuming as eq 2
Now , substituting the value of d in 4c + 3d = 24
→ 4c + 3(5c - 11) = 24
→ 4c + 15c - 33 = 24
→ 19c = 57
→ c =
→ c = 3
Now , substuting value of c in eq 2
→ 5(3) - 11 = d
→ 15 - 11 = d
→ d = 4
Hence ,
- a = 1
- b = 2
- c = 3
- d = 4
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