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General Discussion - Class XI/XII

(187 Posts)

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This thread is dedicated to discuss general queries for classes 11th and 12th.

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Aryan Kabra

Shared from PJEE12EHY1 on Dec 05, 2018 1:56 PM

Show common data

The potential difference across YZ at t = 0 is 2E/3

The potential difference across XY at t = ∞ is E/2

The potential difference across YZ at t = 0 is E/2

The potential difference across XY at t = ∞ is 2E/3

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Aryan Kabra

The explanation given is correct but the answer choice is wrong

The explanation given is correct but the answer choice is wrong Please type your answer before submitting.

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Anudeep Reddy

Shared from IIT JEE (Advanced) Mock - 1 (Pap... on May 01, 2018 9:55 PM

Directions: The following question has four choices, out of which ONE or MORE is/are correct.

If f(x) = min {1, x², x³}, then

f(x) is not differentiable at one point

f(x) is continuous and differentiable everywhere

f(x) is not differentiable at two points

f(x) is continuous everywhere

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Anudeep Reddy

At x=0 also there is a sharp edge.

At x=0 also there is a sharp edge. Please type your answer before submitting.

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Manish

Shared from Chemistry (GATE) on Dec 28, 2017 5:06 PM

Match the column 1 (compounds) with column 2 (structures) and select the correct answer using the codes given below.

Column 1	Column 2
a. XeO₃	i. Distorted tetrahedral
b. ICl₄^-	ii. Seesaw
c. SeF₄	iii. Trigonal bipyramidal
	iv. Trigonal pyramidal
	v. Square planar

a - iv, b - v, c - ii

a - i, b - ii, c - v

a - iv, b - i, c - v

a - v, b - i, c - iv

a - iv, b - v, c - i

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Manish

The answer is wrong as XeO3 is pyramidal rather than trigonal plannar

The answer is wrong as XeO3 is pyramidal rather than trigonal plannar Please type your answer before submitting.

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Manish

Shared from Chemistry (GATE) on Dec 28, 2017 5:00 PM

The possible J values for ³F term symbol is

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Manish

I think the question is incomplete or incorrectly answered

I think the question is incomplete or incorrectly answered Please type your answer before submitting.

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Abhijeet Singh Lotey

Posted on Nov 30, 2017 3:50 AM

How can 12ac – b² – 2bc + 6ab be factorised?

(12ac – b²) b (2c – 6a)

(6a + b) (2c – b)

(6c + b) (2a – b)

(2c + b) (6a – b)

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Abhijeet Singh Lotey

How can 12ac � b2 � 2bc 6ab be factorised?Write your comments on whether the question is tricky / difficult / wrong.

How can 12ac � b2 � 2bc 6ab be factorised?Write your comments on whether the question is tricky / difficult / wrong. Please type your answer before submitting.

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Prerna

Posted on Dec 01, 2017 3:27 PM

12ac – 2bc – b2 + 6ab
= 2c (6a – b) + b (– b + 6a)
= (2c + b) (6a – b)
The question is correct.

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General Discussion - Class XI/XII

(187 Posts)

This thread is dedicated to discuss general queries for classes 11th and 12th.