c) an = (-2)"

Q: 18 3. dz 36.

A: Topic = Integration

Q: S tan bxsec³bxdx

A:

Q: 2) What is the value of x in the diagr 152° to 60°

A:

Q: How many of the original values are greater than 30?  ans=

A: Given data as a stem and leaf plot.  The data will be as follows: 20, 22, 24, 25, 25, 25, 26, 26,…

Q: CLT

A: Given: Population = Lizards Population mean = μ = 3.1 Population Standard Deviation = σ = 0.8 Sample…

Q: 2. Find the value of x [2x 3] Ol18.

A:

Q: fray > こa, ○くa32a Poove that,

A:

Q: Jun Wei has 20-cent coins. CO $5.40. Find the е

A: Let the 20 cents coins be x  therefore, the number of 10 cents coins = x+12 the total value of coins…

Q: -74 de e

A:

Q: rt museum har of Der

A:

Q: Calculate without using a calculator.

A: We use the addition property of log.

Q: Show that 3+ V5 is irational number

A:

Q: 45. sec (-180°)

A: Use the trigonometric identities of supplementary angles.

Q: I can't figure out the answe

A: Null hypothesis: P1=P2Null hypothesis: P1≠ P2 The significance level is 0.05 and the test method is…

Q: 46 29. dx6 720x-7

A: We have to prove : d6dx6x-1=720x-7 We will use following formula for differentiation: dxndx=nxn-1…

Q: de 7) Ans. 2

A: Formulae used: ddxxn=nxn-1∫xndx=xn+1n+1+C

Q: what is RT

A: This is a problem of analytical geometry and ideas of the Pythagoras Theorem.

Q: _calcu'ate Calculate the valueof of In Cie)

A: We know that  ln(ab)=ln(a) + ln(b)

Q: tangt tan 5t

A:

Q: An instructor announced that 25% of his students received an A on last test. If 8 students received…

A: Assume that x students took  the test.By using the given data formulate an equation in x .Then solve…

Q: Sc dx

A: Let us assume z=x+πz=x12+πdz=12x-12dxdz=12xdxdx=2xdz

Q: ole

A: We have to solve given differential equation:

Q: -sech? (In 3.x)

A: We can find the answer as below.

Q: de de

A:

Q: ol A is equal

A:

Q: (*q ۔yi( - ريدو )ود( ل )(

A:

Q: What is the difference between Za and Ta

A: Z alpha is the test to calculate the confidence interval in which the data and its observed sample…

Q: * Adh Evaluate: Рое

A:

Q: Зл 1. tan 4

A:

Q: de 8)

A: we have to substitute 3x = u

Q: sinh? Od0 3.

A: Given,           ∫sinh2θdθ

Q: *י 4** *)א hauoded

A:

Q: du

A:

Q: 419 *Ocosec™* 6d8 is equal to

A: Given integral is ∫sec4/9θ cosec14/9θ dθ

Q: √1-(In x)2

A: ∫1-lnx2xlnxdx Let 1-lnx2=y

Q: Af(x)

A:

Q: 14) tan A 29

A:

Q: answ

A:

Q: tan (a – B) =,

A: This is the trigonometric identity.

Q: Let cn be the number of way

A: Given, cnbe the number of ways to cover a 2×n board with dominoes that each have dimensions 2×1.

Q: How did they go from Soo to S

A:

Q: 162° to

A: Angle subtended by an arc at the center of the circle will be double of the angle subtended by the…

Q: 5 Gin Ococodo sin 20 + 3rino-4

A: We will find the integral using the method of substitution.

Q: d. cscX--CSCX cotx

A:

Q: Find Inn(D4).

A: We will find the inner morphisom of D4 i.e Inn(D4)

Q: Find : O curlCA-B) @grad CA-B) Ediv (24-8)

A:

Q: Use hypo bolic substitution to evaluate xp 2XV1-9x?

A:

Q: Find evolute of hypocycloid???

A: See the attachment

Q: S sec20tan³0 de

A: We can find the answer as below.

Q: D. Find DE - ? %3D

A: