24. Find the envelope of the family of
straight lines xcosa+ysinx=lsinxcosa,
where a is the parameter.
Answers
Answer:
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★ Grammar at ease!!!
\boxed { \large \sf \pink { Noun} }
Noun
A noun is a word used as the name of a person, place or thing.
Ex - Riya is a player.
\boxed { \large \sf \pink { Kinds \: of \: noun } }
Kindsofnoun
\sf \green { Proper \: Noun }ProperNoun
A proper noun is a particular name of some person,place or thing.
Example : Akbar was a king.
Here, "Akbar" refers to a particular king.
\sf \green { Common \: Noun }CommonNoun
A common noun is a name given in common to every person,place or thing of same kind.
Example : Akbar was a king.
Here, "king" refers to common noun as it might be applied any other king as well as to Akbar.
\sf \green { Collective \: Noun }CollectiveNoun
A collective noun is the name of a number of persons are things taken together.
Ex - The jury found the prisoner
Step-by-step explanation:
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