Question

5. A= (x:x²= 25),the set A=B, if B is
a) {4,5) b) (-5,5) c) (0,5) d) {-5,0}​

Answer 1

Answer:

ANSWER

A={0}

B={0} as no such element s.t x>15 and x<5

C={5} x:x−5=0

D={−5,5} x

2

−25⟹x=−5,5

E={−3,5}

Roots of the equation x

2

−2x−15=0

⟹(x−5)(x+3)=0

⟹x=−3,5

So the pair of equal sets are A and B.

Step-by-step explanation:

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