Share & grow the world's knowledge!
We want to connect the people who have knowledge to the people who need it, to bring together people with different perspectives so they can understand each other better, and to empower everyone to share their knowledge.
What is the value of n!/(n – r)! r! if n = 11 and r = 3?
Choice (b) is correct. Putting n = 11 and r = 3 in n!/(n - r)! r! , we get 11! / (11 - 3)! 3! = 11 × 10 × 9 × 8!/ 8! × 3 × 2 × 1 = 11 × 5 × 3 = 165 This question related to Chapter 6 maths Class 11th NCERT. From the Chapter 6: Permutations and Combinations. Give answer according to your understandiRead more
Choice (b) is correct.
Putting n = 11 and r = 3 in n!/(n – r)! r! , we get
11! / (11 – 3)! 3! = 11 × 10 × 9 × 8!/ 8! × 3 × 2 × 1 = 11 × 5 × 3 = 165
This question related to Chapter 6 maths Class 11th NCERT. From the Chapter 6: Permutations and Combinations. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-6
The nuclear region of prokaryotes is also known as
(c) Undefined nuclear region in prokaryotes is called nucleoid. Nucleoid is not bounded by nuclear envelope. Nucleous is absent. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(c) Undefined nuclear region in prokaryotes is called nucleoid. Nucleoid is not bounded by nuclear envelope. Nucleous is absent.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
See lessContractile vacuole takes part in
(d) Contractile vacuole aids in osmoregulation as well as excretion. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(d) Contractile vacuole aids in osmoregulation as well as excretion.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
See less1 µm is equivalent to
(a) 10⁻⁶ m. This is the correct answer. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
(a) 10⁻⁶ m. This is the correct answer.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-5/
See lessIf ∣ x – 1 ∣ > 5, then
Choice (c) is correct. Given, ∣ x -1 ∣ > 5 ⇒ (x - 1) 5 ⇒ x 5 + 1 ⇒ x 6 ⇒ x ∈ ( -∞, -4) ∪ (6, ∞) This question related to Chapter 5 maths Class 11th NCERT. From the Chapter 5: Linear Inequalities. Give answer according to your understanding. For more please visit here: https://www.tiwariacademRead more
Choice (c) is correct.
Given, ∣ x -1 ∣ > 5
⇒ (x – 1) 5
⇒ x 5 + 1 ⇒ x 6
⇒ x ∈ ( -∞, -4) ∪ (6, ∞)
This question related to Chapter 5 maths Class 11th NCERT. From the Chapter 5: Linear Inequalities. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-5