Q. 145.0( 1 Vote )

# Using properties

Answer :

To prove: LHS R1 R1 + R2 + R3  C2 C2 − C1 and C3 C3 − C1  = 3(x+y)(2y2+y2)

= 9y2(x+y) = RHS

Hence, Proved.

OR

Given: and CD − AB = 0

Let,    2a + 5c = 3 ……(i)

2b + 5d = 0 ……(ii)

3a + 8c = 43 ……(iii)

3b + 8d = 22 ……(iv)

2(iii) − 3(i) = c = 77 a = −191

2(iv) − 3(ii) = d = 44 b = −110 Rate this question :

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