Find the value of b²-4ac, if a =2, b=-11, c=-15.
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Answered by
7
Answer:
11²-4×2×-15
=121- 120
= 1
Answered by
3
Step-by-step explanation:
(-11²) -4× 2×(-15)
121-4×30
121+120
=241
this is the correct one
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