Question

अथवा
यदि A = {1,2,3,4,5,6,7} और B = {2,3,5,7} तब सिद्ध कीजिये कि An B = B
(x
2)_(51)
51)ोनोऔर
का माना ज्ञात कीजिये​

Answer 1

Step-by-step explanation:

A={1,2,3,4,5,6,7}

B={2,3,5,7}

l.h.s= A n B

= {1,2,3,4,5,6,7} n {2,3,5,7}

= {2,3,5,7}

r.h.s = B

={2,3,5,7}

l.h.s= r.h.s

A n B = B