If \( (a-b)(s-c)=(b-c)(s-a) \), then \( r_{1}, r_{2}, r_{3} \) are in....
If \( (a-b)(s-c)=(b-c)(s-a) \), then \( r_{1}, r_{2}, r_{3} \) are in
P
(1) H.P
(2) G.P
(3) A.P
(4) None of these
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2024-01-23 | In a triangle \( A B C \), which of the following
quantities denote the area of the triangle?.... |
| 2024-01-23 | In a triangle \( A B C \)
\begin{tabular}{|c|c|c|c|c|}
\hline & \multicolumn{2}{|c|}{ Column I }.... |
| 2024-01-23 | \( \mathrm{ABC} \) is a triangle in which \( a=6, b=3 \) and \( \cos (A-B)= \)
\( 4 / 5 . A D \).... |
| 2024-01-23 | There exists a triangle \( A B C \) satisfying.... |
| 2024-01-23 | If \( H \) is the orthocentre of triangle \( A B C \), then \( A H \) is
equal to.... |
| 2024-01-23 | If in a triangle \( A B C, \Delta=a^{2}-(b-c)^{2} \), then \( \tan A \) is equal to.... |
| 2024-01-23 | In a triangle \( A B C \), if \( A-B=120^{\circ} \) and \( R=8 r \), then the value of \( \cos \.... |
| 2024-01-23 | If \( \cos A+2 \cos B+4 \cos C=2 \), then the sides of the triangle \( A B C \) are in-.... |
| 2024-01-23 | In a triangle \( A B C \), if the median and altitude from
\( A \) trisect angle \( A \), then \.... |
| 2024-01-23 | In a \( \triangle A B C \), the sides are in the ratio \( 4: 5: 6 \). The ratio of the circum-ra.... |
| 2024-01-23 | If \( (a-b)(s-c)=(b-c)(s-a) \), then \( r_{1}, r_{2}, r_{3} \) are in.... |
| 2024-01-23 | If \( \frac{r}{r_{1}}=\frac{r_{2}}{r_{3}} \), then.... |
| 2024-01-23 | If a triangle \( A B C, \sum \frac{\sin ^{2} A+\sin A+1}{\sin A} \) is always
greater than.... |
| 2024-01-23 | In a triangle \( \mathrm{BAC} \) altitude \( \mathrm{AD}, \angle \mathrm{BAC}=45^{\circ}, \mathr.... |
| 2024-01-23 | If the lengths of the sides of a triangle are in A.P.
and the greatest angle is double the small.... |
| 2024-01-23 | In triangle \( \mathrm{ABC}, \cot \frac{A}{2}=\frac{b+c}{a} \), then triangle \( \mathrm{ABC} \).... |
| 2024-01-23 | If \( \alpha=\sin \theta|\sin \theta| \) and \( \beta=\cos \theta|\cos \theta| \quad \) where
\(.... |
| 2024-01-23 | In a triangle \( A B C \), if \( \cos \frac{A}{2}=\sqrt{\frac{b+c}{2 c}} \), then.... |
| 2024-01-23 | In a \( \quad \triangle \mathrm{ABC} \) if \( 2 s=a+b+c \quad \) and \( (s-b)(s-c)=x \sin ^{2} \.... |
| 2024-01-23 | In a triangle \( A B C, \angle A=60^{\circ} \) and \( b: c=(\sqrt{3}+1): 2 \)
then \( (\angle B-.... |
| 2024-01-23 | In any \( \triangle A B C \), if a \( \cos B=b \cos A \), then the
triangle is.... |
0