पूर्व परीक्षा 2020-21 vidhyan
Answers
Answered by
0
Answer:
kahena kya chahate ho
Explanation:
t
2
−15:
t
2
−15=0
(t+
15
)(t−
15
)=0
(t+
15
) or (t−
15
)=0
t=−
15
or t=
5
.
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