Rewrite the right-hand side as a single fraction, and then factor the numerator completely. 1)² 22 +42 +62+...+(2(k+1))² = = ... +(2(k+1))² = 2k(k+ 1)(2k + 1) 3 2(k+1) 2(k+ 1) (k+ Rewrite the right-hand side in the desired form. 22 +42 +62 +. 3 + 12 3 (2k(2k + 1) + 12 3 1) 3 )(2k + So Pk+1 is true. We conclude by the principle of mathematical induction that Pn is true for all natural numbers n. Need Help?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 85E
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Question
Rewrite the right-hand side as a single fraction, and then factor the numerator completely.
2
12(
)²
2² +4² +6² + ... + (2(k+1))² =
||
2k(k + 1)(2k + 1)
3
2(k + 1
1)(
2(k + 1)(k+
Rewrite the right-hand side in the desired form.
2² +4² +6² + ... + (2(k+1))² =
3
+
3
(24(2k + 1) + 12(
)
3
3
) (2K
2k +
))
So Pk+1 is true. We conclude by the principle of mathematical induction that Pn is true for all natural numbers n..
Need Help?
Transcribed Image Text:Rewrite the right-hand side as a single fraction, and then factor the numerator completely. 2 12( )² 2² +4² +6² + ... + (2(k+1))² = || 2k(k + 1)(2k + 1) 3 2(k + 1 1)( 2(k + 1)(k+ Rewrite the right-hand side in the desired form. 2² +4² +6² + ... + (2(k+1))² = 3 + 3 (24(2k + 1) + 12( ) 3 3 ) (2K 2k + )) So Pk+1 is true. We conclude by the principle of mathematical induction that Pn is true for all natural numbers n.. Need Help?
Use the principle of mathematical induction to show that the statement is true for all natural numbers.
2² +4² +6² + ... + (2n)² = 2n(n + 1)(2n + 1)
3
Let Pn denote the statement: 22 +4² +6² + ... + (2n)²
+
Check that P₁ is true: 2² = 4 and 2(C
Assume Pk is true: 22 +42 +62 +
+ (²
2
(2n)² = 2n(n + 1)(2n + 1)
3
2² +4² +6² + ... + (2(k+1))²
))( + ¹)(²
1) (2
1
3
To show that Pk+1 is true, add (2(k + 1))² to both sides of Pk.
2² + 4² + 6² + ... + (2k)² + (2(
))²³
=
2
2
|)²-²
=
+1
1)
2k(k + 1)(2k + 1) 12(
+
3
=
Rewrite the right-hand side as a single fraction, and then factor the numerator completely.
3
3
2k(k + 1)(2k + 1) +(2(
3
(k + 1)(2k + 1)
Thus P₁ is true.
2
2
:))²
Transcribed Image Text:Use the principle of mathematical induction to show that the statement is true for all natural numbers. 2² +4² +6² + ... + (2n)² = 2n(n + 1)(2n + 1) 3 Let Pn denote the statement: 22 +4² +6² + ... + (2n)² + Check that P₁ is true: 2² = 4 and 2(C Assume Pk is true: 22 +42 +62 + + (² 2 (2n)² = 2n(n + 1)(2n + 1) 3 2² +4² +6² + ... + (2(k+1))² ))( + ¹)(² 1) (2 1 3 To show that Pk+1 is true, add (2(k + 1))² to both sides of Pk. 2² + 4² + 6² + ... + (2k)² + (2( ))²³ = 2 2 |)²-² = +1 1) 2k(k + 1)(2k + 1) 12( + 3 = Rewrite the right-hand side as a single fraction, and then factor the numerator completely. 3 3 2k(k + 1)(2k + 1) +(2( 3 (k + 1)(2k + 1) Thus P₁ is true. 2 2 :))²
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