Question

1) statement (A).: if n! =24,then n=4. statement (B) : if 15c2r-1=15c2r+4 then r=3. a) both a and b are true b) both a and b are false c) a is true and b is flase d) a is flase and b is true

2) statement (A) : 1!+2!+3!+4!+5!=153. statement (B) : the number of terms in the expansion of (x+b)^n is n+1. a) both a and b are true b) both a and b are false c) a is true and b is flase d) a is flase and b is true​

Answer 1

Answer:

1) Both a and b are true

2) Both a and B are false

Answer 2

Answer:

1st option and second option os correct

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