wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If x,y,zR & =∣ ∣xx+yx+y+z2x5x+2y7x+5y+2z3x7x+3y9x+7y+3z∣ ∣=16 then value of x is

A
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 2
= ∣ ∣xx+yx+y+z2x5x+2y7x+5y+2z3x7x+3y9x+7y+3z∣ ∣ = 16
∣ ∣xx+yx+y+z03x5x+3y04x6x+4y∣ ∣ = 16 (R2R22R1) & (R3R33R1)
x[(3x)(6x+4y)4x(5x+3y)] = 16
x[18x2+12xy20x212xy] = 16
2x3=16
x3=8
x=2


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon