Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

if a+b+c=0, prove that a^2 - b^2 - c^2 = 2bc

Sagot :

Step-by-step explanation:

  • a+b+c=0
  • b+c=(-a) (SQUARING both the sides)
  • (b+c)²=(-a)²
  • (b²+c²+2bc)=a²
  • 2bc=a²-b²-c²

HENCE PROVED

-b²-c²=2bc

Step-by-step explanation:

........ ............... .......

View image puttinirajan