question_answer

If (a + 1), (b + 1), (c + 1), (d + 1) are in G.P., then \[{{\left( \mathbf{b}+\mathbf{c}+\mathbf{2} \right)}^{\mathbf{2}}}=\]_________

A) (a + b + 2) (b + c + 2)         

B) \[\left( a\text{ }+\text{ }b\text{ }+\text{ }1 \right)\text{ }{{\left( c\text{ }+\text{ }d\text{ }+\text{ }1 \right)}^{2}}\]

C) (a+b+2) (b+c+2)                                             

D) (a + b + 1) (b + c + 1)

E) None of these