Search: Prove by mathematical induction that 3^(3n 1) 2^(n 1) is divisible by 5

Prove by mathematical induction: ∑_(i=1)^n▒〖3^i=3(3^n-1)/2〗 prove by mathematical induction that 7n+4n+1 is divisible by 6 prove by mathematical induction that for all positive integers n, sin(nπ+x)=(-1)^n, using n=k and n=... prove by mathematical induction that for all positive integers n, sin(nπ+x)=(-1)^n Prove by mathematical induction that x^2n - y^2n has a factor of x+y. My answer is incomplete sin... Prove by mathematical induction that the sum of the first n terms of the geometric series 1/5 + 1/5^... Prove by mathematical induction that : E (3r-5)= 3n^2-7n /2 r=1 Prove by mathematical induction that 1+3+5+7+......+(2n-1)=n² Use mathematical induction to prove that the following is true. 8+11+14...+(3n+5)=1/2n(3n+13), fo... use mathematical induction to prove that 3^n>n^3 for all integers n>=4. Hence, or otherwise, show th...