Answers

2015-03-02T16:50:41+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
51 x 51 = (50 + 1)²

= 2500 + 1 + 100

= 2601 

51x² - 49 x² = 2x²
1 5 1
2015-03-02T17:49:27+05:30
51 x^{2}  = (50+1)²
        =2500+100+1
        =2601
49 x^{2} =(50-1)²
       =2500-100+1
       =2501-100
       =2401

 51x^{2} -49 x^{2} =(2601-2401)
               =200

51 x^{2} -49 x^{2} =2 x^{2}


0