Value of “a” if the vectors 2i-3j+4k and 3i-5j-3ak are orthogonal
Find the value of “a” if the vectors 2i-3j+4k and 3i-5j-3ak are orthogonal.A. -7/4 B. 4/7 C. 7/3 D. 7/4
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Interrogative Pronoun
The Interrogative Pronouns, who, whose, whom are used for only people.
Which is used for both people and things. It implies selection, that is, it implies a question concerning a limited number.
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Indefinite Pronoun
Someone, Somebody, Anyone, Anybody, No one, Nobody, One, Everyone, Everybody, Something, Anything, Each, Every, Nothing, Everything, Either, Neither, Another etc.
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Pronoun
Pronoun is usually a substitute for a noun.
1) Sunil is a good boy. Sunil is my friend. Sunil’s father works with my father.
2) Sunil is a good boy. He is my friend. His father works with my father.
American Male Poets
Walt Whitman worked as Poet, nurse, essayist and Journalist, He was known as the Father of free verse. He is also regarded as National Poet of America. John F. Kennedy said that R. Frost was the The great American poet of all time. R. Frost’s Poetry deals with country life,
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Countable v/s Uncountable sets-Matrices
Countable set has bijection, if there is no bijection than it will be called as uncountable set. uncountable sets have greater cardinality. A set is called countable if it is finite or countably infinite.
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Collective, Material & Abstract Noun
Collective Noun denotes the group of creatures, places, or things. Material Noun denotes the name of a material.Abstract Noun relates to qualities, states or action which can not be seen or touched.
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Divisibility by 7
Trick: The direct method to check the divisibility by 7
In various jobs and Admission tests in universities the divisibility plays vital role to save the time for attempting the question.
A number is divisible by 7 if it satisfies below steps
The Magic Of Noun
The fact is, name of any creature is a noun; be it a human or be it an animal.
Similarly, “Love” is an example of abstract noun. It’s not a name of person, place or thing, then why do we take it as a noun! There are lot many examples as such. Let’s understand.