19 - Equation and Inequalities Questions Answers

if (4k)TO power log2 = (9k) to power log3  than find 72k

Asked By: HIMANSHU DHAKA 2 year ago
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The set of non-zero values of k such that the equation |x^2-10x+9| =kx is satisfied by atleast one and atmost three values of x, lies in ___. 
 
The answer is (-∞, -16] U [4 , ∞). 
 
How do you get that ? 
Asked By: GAUTHAM GANESH 4 year ago
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An army contingent of 1232 members is to march behind an army band of 64 members in a parade. The two group are to march in the same number of columns. What is the maximum number of columns in which they can march.

Asked By: AKANKSHA MISHRA 5 year agoSolved By: ABHISHEK JAIN
is this question helpfull: 1 2 read solutions ( 1 ) | submit your answer

SCRA 2013

QUES.- What Is The Solution Of The Diffrential Equation:

dy/dx = y/2y(siny2+cosy2)-x

Asked By: GAUTAM SAGAR 5 year ago
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The Graph of The Quadratic Polynomial f(x) = (x-a)(x-b) Where a, b>0 a≠b, Then The Graph Does Not Pass Through:-

(a) First Quadrant

(b) Second Quadrant

(c) Third Quadrant

(d) Fourth Quadrant

Asked By: GAUTAM SAGAR 5 year ago
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No. of integral roots of the eqn. x8 - 24 x7 - 18x5 + 39 x2 + 1155 = 0 .

Asked By: VAIBHAV GUPTA 5 year ago
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Answer Strategies and trick by Manish sir (it will help you to solve it by yourself)

two times sign change so 2 positive roots

 

let a,b,c be three distinct real numbers such that each of expression ax2+bx+c,bx2+cx+a,cx2+ax+b are positive for all x ε R and let

α=bc+ca+ab/a2+b2+c2 then

(A) α<4 (B) α<1 (C) α>1/4 (D) α>1

 

THIS IS MULTIPLE CHOICE QUESTION

Asked By: AKASH 5 year ago
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Answer Strategies and trick by Manish sir (it will help you to solve it by yourself)

if ax2+bx+c is positive for real x

then b2< 4ac similarly others

on adding all inequalities we get b2 + c2 + a2< 4(ac+ab+bc)

now get answer 

 

In a certain number system 363 + 1056 = 1452. Find the value of (654 - 456) in the same number system?
(a) 156  (b) 165 (c) 178 (d) 198
Asked By: KAVYA S MOHAN 6 year ago
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(a-5)2+(b-c)2+(c-d)2+(b+c+d-9)2=0

then the value of (a+b+c)(b+c+d) is ?

a)0

b)11

c)33

d)99

Asked By: KAVYA S MOHAN 6 year ago
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Maths >> Algebra >> Equation and Enequalities Engineering Exam

what is value of iota raised to power iota

Asked By: SANKET MARKAN 6 year ago
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