1.

Assertion (A) : A and B are given points in a space. Then locus of P such that angleAPB=90^(0) is a spherewith AB as diameter. Reason(R ) : The angle in a semisphere is as right angle

Answer»

Both A and R are TRUE and R is the CORRECT EXPLANATION of A
Both A and R are true but R is not the correct explanation of A
A is true but R is FALSE
A is false but R is true

Answer :a


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