0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

If a<0,b>0, then ab is equal to
  1. |a|bi
  2. |a|b
  3. none of these
  4. |a|b

A
|a|b
B
|a|bi
C
|a|b
D
none of these
Solution
Verified by Toppr

a<0,b>0
ab=|a|b
=i|a|b

Was this answer helpful?
0
Similar Questions
Q1
If a<0,b>0, then ab is equal to
View Solution
Q2
If A + B + C = 180°, then
sec A (cos B cos C − sin B sin C) is equal to

(a) 0
(b) −1
(c) 1
(d) None of these
View Solution
Q3
If A + B + C = π, then sec A (cos B cos C − sin B sin C) is equal to
(a) 0
(b) −1
(c) 1
(d) None of these
View Solution
Q4
If A+B+C=π, then the value of sin A+B+Csin A+Ccos C-sin B0tan Acos A+Btan B+C0 is equal to

(a) 0
(b) 1
(c) 2 sin B tan A cos C
(d) none of these
View Solution
Q5
If A + B + C = π, then tan A + tan B + tan Ctan A tan B tan Cis equal to
(a) tan A tan B tan C
(b) 0
(c) 1
(d) None of these
View Solution