If \( a: b=c: d \), prove that \( p(a+b)+q b: p(c+d)+q d=a: c \)
If \( a: b=c: d \), prove that \( p(a+b)+q b: p(c+d)+q d=a: c \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2022-11-16 | Three blocks of uniform thickness and masses \( m, m \) and \( 2 m \) are placed at the corners ... |
| 2022-11-16 | Equation \( y \)-axis is considered as
(A) \( x=0, y=0 \)
(B) \( y=0, z=0 \)
(C) \( z=0, x=0 \)
... |
| 2022-11-16 | Sodium thiosulphate is prepared by:
(A) boiling a \( \mathrm{Na}_{2} \mathrm{SO}_{3} \) solution... |
| 2022-11-16 | यदि \( \frac{z_{1}}{z_{2}} \) एक शुद्ध काल्पनिक संख्या है, तो सिद्ध कीजिए कि
\[
\left|z_{1}+z_{2... |
| 2022-11-16 | Complete and balance the following equations:
\[
\mathrm{KI}+\mathrm{H}_{2} \mathrm{SO}_{4}+\mat... |
| 2022-11-16 | \( N \) beads identical beads are resting on a smooth horizontal wire which is circular at the e... |
| 2022-11-16 | If \( f(x)=\frac{x-4}{2 \sqrt{x}} \), then \( f^{\prime}(1) \) is
(A) \( \frac{5}{4} \)
(B) \( \... |
| 2022-11-16 | A system of men and trolley is
shown in figure. To the left end
of the string, a trolley of mass... |
| 2022-11-16 | The length of a spaceship is measured to be \( 25 \% \) of its rest length. (a) To three signifi... |
| 2022-11-16 | What are the homologous and the heterologous portions of the human sex chromosomes? |
| 2022-11-16 | If \( a: b=c: d \), prove that \( p(a+b)+q b: p(c+d)+q d=a: c \) |
| 2022-11-16 | Two identical balls \( A \) and \( B \), each of mass \( 2 \mathrm{~kg} \) and radius \( R \), a... |
| 2022-11-16 | A solid body rotates with a constant angular velocity \( \omega_{0}=0.50 \mathrm{rads}^{-1} \) a... |
| 2022-11-16 | Rutherford's \( \alpha \)-particle experiment showed that the atoms have
(A) proton
(B) nucleus
... |
| 2022-11-16 | The correct order of decreasing electronegativity values among the elements beryllium (I), oxyge... |
| 2022-11-16 | If \( A \) and \( B \) are two independent events such that \( P(A \cup B)=0.60 \) and \( P(A)=0... |
| 2022-11-16 | अभिक्रियाओं को पूर्ण कीजिए-
\[
\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{~N}_{2} \mathrm{Cl}+\mathrm... |
| 2022-11-16 | रासायनिक समीकरण देते हुए बताइए कैसे प्राप्त करेंगे?
प्रोपेनोइक अम्ल से ब्यूटिल ऐमीन (अधिकतम चार ... |
| 2022-11-16 | A pan of mass \( m=1.5 \mathrm{~kg} \) and a block of mass
\( M=3 \mathrm{~kg} \) are connected ... |
| 2022-11-16 | Light is incident normally on a diffraction grating through which the first order diffraction is... |
| 2022-11-16 | A lamp is connected in series with a capacitor. Predict your observations for dc and ac connecti... |
0