MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Multiplication of Integers

Evaluatea 5 !...

Question

Evaluate

(a) 5!

(b) 2! + 1! + 0!

(c) ⁵P₃

Open in App

Solution

(a)

(b)

(c)

Suggest Corrections

thumbs-up

0

Similar questions

Q. Using suitable identify, evaluate
a)

{(107)}^{2}

9 \frac{1}{2} \times 10 \frac{1}{2}

{(1.9)}^{2}

(- 3 p - 5 p)^{3}

s i n θ + 2 s i n ϕ + 3 sin Ψ = 0

c o s θ + 2 c o s ϕ + 3 c o s Ψ = 0

; then evaluate
(a)

c o s 3 θ + 8 c o s 3 ϕ + 27 c o s 3 Ψ

s i n (ϕ + Ψ) + 2 s i n (Ψ + θ) + 3 s i n (θ + Ψ)

.

A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & - 3 5 & 0 & 2 1 & - 1 & 1 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 3 & - 1 & 2 4 & 2 & 5 2 & 0 & 3 \end{matrix} ⎤ ⎥ ⎦, C = ⎡ ⎢ ⎣ \begin{matrix} 4 & 1 & 2 0 & 3 & 2 1 & - 2 & 3 \end{matrix} ⎤ ⎥ ⎦

(A + B)

(B - C)

. Also, verify that

A + (B - C) = (A + B) - C

Inverse circular functions,Principal values of

{s i n}^{- 1} x, {c o s}^{- 1} x, {t a n}^{- 1} x

{t a n}^{- 1} x + {t a n}^{- 1} y = {t a n}^{- 1} \frac{x + y}{1 - x y}

x y < 1

π + {t a n}^{- 1} \frac{x + y}{1 - x y}

x y > 1

{c o s}^{- 1} x + {c o s}^{- 1} [\frac{x}{2} + \frac{\sqrt{(3 - 3 x^{2})}}{2}]

(\frac{1}{2} \leq x \leq 1)

c o s (2 {c o s}^{- 1} x + {s i n}^{- 1} x)

x = 1 / 5

0 \leq {c o s}^{- 1} x \leq π

- π / 2 \leq {s i n}^{- 1} x \leq π / 2

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Multiplication of Integers

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Multiplication of Integers

Standard VII Mathematics

Join BYJU'S Learning Program

CrossIcon