if a + b whole bracket square is equal to 289 and a minus b whole bracket square is equal to 121 then a square minus b square is equal to
Answers
Answered by
14
Answer:
187
Step-by-step explanation:
(a+b)^2= 289
(a-b)^2= 121
a+b= 17
a-b= 11
from solving these equation
a= 14, b= 3
a^2-b^2=(a+b)(a-b)
=(14+3)(14-3)
=17*11
= 187
Similar questions