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Riya08
@riya08
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
Topics: 0 / Replies: 2143
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Answer to: If (3^6/4^4)k is the term, independent of x, in the binomial expansion of

Tr+1 = (-1)r. Tr+1 = (-1)r. Term independent of x ⇒ 12 – 3r = 0 ⇒ r = 4 T5 = (-1)4. = .k ⇒ k = 55

4 years ago
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Answer to: If x φ(x) = ∫_5^x (3t^2 - 2φ'(t))dt, x > -2, and φ(0) = 4, then φ(2) is

x φ(x) = (3t2 - 2φ'(t))dt xφ(x) = x3 -125 - 2[φ(x) - φ(5)] xφ(x) = x3 -125 - 2φ(x) - 2φ(5) φ(0) = 4 ⇒ φ(5) = - φ(x) = φ(2) = 4

4 years ago
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Answer to: The number of six letter words (with or without meaning), formed using all the letters of the word 'VOWELS', so that all the consonants never come together, is

VOWELS → 2 Vowels VOWELS → 4 Consonants All Consonants should not be together = Total – All consonants together, = 6! – 3! 4! = 576

4 years ago
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4 years ago
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Answer to: Choose the correct pair. (a) Hippocampus – 3-chambered heart (b) Rana – 2-chambered heart

Correct answer: (c) Crocodilus – 4-chambered heart Explanation: Hippocampus (sea horse) belongs to class osteichthyes. It has 2-chambered heart...

4 years ago
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Answer to: The clam nervous system is composed of

Correct answer: (d) three pairs of ganglia

4 years ago
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4 years ago
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Answer to: Bryophytes are called amphibians of plant kingdom because

Correct answer: (b) These plants live in soil and depend on water for sexual reproduction. Explanation: Bryophytes are called amphibians of plant ...

4 years ago
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Answer to: In gymnosperms, the development of pollen grains occurs in

Correct answer: (b) Microsporangia Explanation: In gymnosperms, the development of pollen grains occur in microsporangia.

4 years ago
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