সাধারন দ্বিঘাত সমীকরণ ax2 +bx+c=0 এর মূল দুটি হলোঃ
A
-b±b2-4ac2a
B
-b+c2-4ab
C
(4ac)-b2a
D
-b+b2-4ab2a
Correct Answer: -b±b2-4ac2a
The Hall of Fame Open is an international tennis tournament that has been held every year in July since 1976 at the International Tennis Hall of Fame in Newport, Rhode Island, the original location of the U.S. National Championships.