Q. 155.0( 1 Vote )

Prove by direct method that for any real numbers x, y if x = y, then x2 = y2.

Answer :

We have Given for any real number x, y if x=y

To Find: x2=y2

Explanation: Let us Assume

p: x=y where x and y are real number

On squaring both sides we get

x2=y2 : q (Assumption)



Hence, Proved

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Addition of Vectors - Kick start Your Preparations47 mins
Scalar and Vector Product49 mins
Take the challenge, Quiz on Vectors37 mins
Vectors- Cosine & SIne Rule54 mins
Interactive Quiz on vector addition and multiplications38 mins
Scalar and vector product in one shot56 mins
Revise Complete Vectors & it's application in 50 Minutes51 mins
Unit Vectors24 mins
Quick Revision of Vector Addition and MultiplicationsFREE Class
Quiz | Vector Addition and MultiplicationsFREE Class
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses