Question

if(a+b) ^2=289 and (a-b)^2=121,then a^2-b^2=?

Answer 1

hope this will help u

Answer 2

Step-by-step explanation:

Answer Is 187 Is Solution Given

Formulae : ( a + b)2 = 289

( a-b ) 2 = 121

Tnen Take the Square Root Of Both of them

289= 17

121 = 11

So take This Formuale And Solve the Algrebric Expreesion .

(a + B ) ( a-b ) = (a2-b2 ) = 17 x 11 = 187

Answer is 187