" 11."3.6+6.9+9.12+......+3n(3n+3)=

By the Principle of Mathematical Induction, prove the following for all n in N : 3.6+6.9+9.12+......+ 3n(3n+3) = 3n(n + 1) (n + 2) .

1,6+2.9+3.12+....+n(3n+3)=

Prove by the principle of mathematical induction, that 3xx6+6xx9+9xx12+....+(3n)xx(3n+3)=3n(n+1)(n+2)

Prove by the principle of mathematical induction, that 3xx6+6xx9+9xx12+....+(3n)xx(3n+3)=3n(n+1)(n+2)

Prove the following by using the Principle of mathematical induction AA n in N 3.6+6.9+9.12+……+3n(3n+3)=3n(n+1)(n+2)

Prove the following by using the principle of mathematical induction for all n in N 3 xx 6 + 6 xx 9 + 9 xx 12 + …..+ (3n)(3n+3) = 3n(n+1)(n+2)

Find the nth term of the series 3.8+6.11+ 9.14+12.17+.. (A) 3n(3n+5) (B) 3n(n+5) (C) n(3n+5) (D) n(n+5)

(3) / (6) + (3.5) / (6.9) + (3.5.7) / (6.9 * 12) + ..... prop =

Prove be mathematical induction : (1)/(3.6)+(1)/(6.9)+(1)/(9.12)+...+(1)/(3n(3n+3))=(n)/(9(n+1))