Range of numbers
a,b,c,d are real numbers such that:
2 < a < 3 ;
0 < b < 1;
-1 < c < 0 ;
-4 < d < -3 ;
Qu. Find the range of:
1) ab
2) ac
3) a/b
4) a/d
5) b-c
6) b^d
7) |d|-|c|
8) a|d|
9) ab/c
10) cd(|b-a|)
11) a^2-c^2
12. | a-b/c-d|
Sugandha Chatterjee
3). 2 < a/b < 3.
4). -12 < a/d < -6.
chk ma answers n reply if u feel...
n/a
Sugandha Chatterjee
for multiplication type of ques.. multiply upper limit to upper limit n lower limit to lower limit..
for division type ques.. multiply upper to lower and upper to lower limit...
hope it helped.. reply if u feel..
n/a
(1) 0 < ab < 3
(2) -3 < ac < 0
(5) 0 < b - c < 2
Sugandha Chatterjee
sorry ma mistake i suud have been clearer..
d case goes opposite for -ve nos..
nw hope this helped..!!
n/a
Sugandha Chatterjee
sorry ma mistake i suud have been clearer..
d case goes opposite for -ve nos..
nw hope this helped..!!
n/a
1) 0<ab<3
2) -3<ac<0
3) 2<a/b
4) -2/3<a/d<-3/4
5) 0<b-c<2
6) -1<b^d<1
7) 2<|d|-|c|<4
8) 6<a|d|<12
9) -3<ab/c
10) 0<cd(|b-a|)<12
11) 3<a^2-c^2<9
12. 1/4<| a-b/c-d|<3/2