167k views
2 votes
PLEASE SHOW WORK!
THE

PLEASE SHOW WORK! THE-example-1
PLEASE SHOW WORK! THE-example-1
PLEASE SHOW WORK! THE-example-2
User Warface
by
8.5k points

1 Answer

7 votes
f(x)=x²+2x+1
f( (2a-3)/5)=(2a-3)²/25 + 2( (2a-3) / 5) + 1
=(4a²-12a+9)/25 + (4a-6)/5 + 1
=(4a²-12a+9+20a-30+25)/ 25
=(4a²+8a+4) / 25
=4(a²+2a+1) / 25
=4(a+1)² / 25
(2(a+1) / 5)²

f(x)=x²+2x+1
f(1/a)=1/a² + 2/a + 1
= 1/a² + 2a/a² + a²/a²
=(a²+2a+1)/a²
=(a+1)²/a²
=( (a+1) / a )²
User Rogeriojlle
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories