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How many elements has P(A), if …

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How many elements has P(A), if A={}
  • 5 answers

Royal King 4 years, 5 months ago

X + iy = ( a^2 + 1)^2/2a - i, find x^2+ y^2

Avinash Gupta 4 years, 5 months ago

0 elements

Manish Kumar 4 years, 5 months ago

(null)

Tec Om 4 years, 5 months ago

0

Yogita Ingle 4 years, 5 months ago

We know that if A is a set with m elements i.e., n(A)=m, 

then, n[P(A)]=2m.

If A={} =ϕ, then n(A)=0

∴n[P(A)]=2o=1
Hence, P(A) has one element.

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