MCQ
What should be added to $3 x^2+4$ to get $9 x^2-7$ ?
- ✓$6 x^2-11$
- B$6 x^2+11$
- C$12 x^2-11$
- D$12 x^2+11$
✓
Answer
Correct option: A.
$6 x^2-11$
A
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