Question

C Fill in the blanks with suitable modals based on the given hints.
1. You
use this place till 6 p.m. (permission)
2. You
come again tomorrow. (suggestion)
3. We
be late if we do not start now. (possibility)
4. The thief
have been someone known to the family. (deduction based on evidence)
5.
I
enter my name for the competition? (seek opinion)
6.
climb the stairs two at a time last year. (past habit)​

Answer 1

Answer:

If x

2

−2px+8p−15=0 has equal roots, then p equals

EASY

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ANSWER

let the root be α then

2α=2P⇒α=P.....(1)

and

α

2

=8P−15=8α−15

α

2

=3α−5α+15=0

⇒(α−3)(α−5)=0

α=3 or 5⇒P=3 or 5

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