simplify: (n!)/(n+2)!

Q: Compute the number Answer: (-1)" (250) ² + 18 +18. (2n)! \6 4 n=0 2n

A:

Q: Multiply: (x – 8)2 b. а.

A: To multiply :  a) x - 82 b) 12x - 4y32

Q: Why the final answer is 4sin(1+x)?

A: To simplify 4 sin 5x cos 6x+4 cos 5x sin 6x.To justify whether the final answer is 4 sin1+x.

Q: simplify  (3n+1)!/(3n-1)!

A: Given:

Q: | (8t3 – 12t2 + 6)dt Evaluate:

A: We can evaluate the given integral by using the following formula.

Q: Simplify: (25/4y-1/2)3/7 x-3/28y – 4/7

A: Here we an expression.

Q: . Subtract -4x+15x-6 from 6x +13x-8. Express the result as a trinomial

A: Proceed as shown below...

Q: Expand with binomial formula (a-x)5

A:

Q: (d) Е(2X- 4). (е) Е(6X+ 3)2 + Var(7X — 24).

A:

Q: find (2n +1)! = 120

A: Here we have to find the value of n.  2n+1!=120

Q: Simplify: [3 + (273 + 325) ]² – 9 92. N/5

A:

Q: Evaluate 9 k=1 (6k - 5) (5k + 2)

A: Given the finite series

Q: Evaluate: 4 (a) t - 8

A: we have to find the determinant of the given matrix. t45t-8

Q: (−7x2+3)−(−4x−3)

A: We have  (-7x2+3)-(-4x-3)

Q: simplify-(n+5!) (n+3)(n+a)!

A:

Q: Find:    (8/15)  + (5/12)

A: To addition of 815 and 512 First, let us find the LCM of the denominators 15 and 12 15= 1*3*5…

Q: 14(½)(3)(-2)=

A: Given expression :

Q: (2² –4)* -dx (x–2)²

A: First we simplify numerator with using appropriate identities then integrate

Q: Find the value of 028. 1 (b) -1 (c) i (d) -i

A: To evaluate: i2028 We know that i4m=1, i4m+1=i, i4m+2=-1, i4m+3=-i

Q: Find x. *: (62-5x) 133 1.

A: Theorem  The sum of opposite angles in cyclic quadrilateral is supplementary (180°)

Q: d) (5x) + 5 – (0,25) +83 3. Use the laws to re-write the following expression as a power of x:

A: The given expression is xxxxx use the formula x=x12 , xaxb=xa+band simplify…

Q: 17. Simplify the following into complex numbers of the form a + bi. (a) √ 2√8

A:

Q: Simplify: 50(5a-1) + 5ª+2 – 2(5a+1)

A:

Q: Simplify: 5° (12- 7)+ 15 (3)

A:

Q: Simplity: √ 3 (-10 + 2√3

A: Given 3-10+23

Q: Approximate √125 using the Babylonian technique.

A: we have, The first step in the Babylonian technique is to guess the given root value based on the…

Q: Ans: Find the remainder (smallest nonnegative integer) when 1015!-1010! is divided by 1013-

A:

Q: Rationalize the numerator : [√(x + 7) - √x] / 7

A: The given expression in fraction form is: [√(x + 7) - √x] 7