Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 4 ⋅ 6 + 5 ⋅ 7 + 6 ⋅ 8 + ... + 4n( 4n + 2) = 4(4n+1(8n+7)/6
Well, as stated, the LHS of the formula makes no sense as you can't generate 5 x 7 from the 4n(4n+2) pattern - you can only get even numbers that way.
I'm sort of confused right now can you please elaborate?
Usually the construct is that a series - a sum of a sequence of terms - has a 'generic' sequence term indicating the pattern that they all follow. It's this pattern that gets extended to ever larger integer values, so that you can evaluate. Assuming that 4n(4n+2) is that pattern for the Left Hand Side, then 4n can only ever be an even number and 4n+2 likewise - for any integral value of n. And the product of two even numbers also must be even, so how does the 5 x 7 appear in the example ? The product of two odd numbers must be odd, you see. So, as stated, it's not clear to me how the LHS series is actually defined.
ohh okay so that makes the equation completely false then because it cannot possibly generate a 5 x 7 in the LHS thanks bro
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