\( n \) का मान ज्ञात कीजिए, यदि\( (n+2) !=60 \cdot(n-1) ! \)
\( n \) का मान ज्ञात कीजिए, यदि\( (n+2) !=60 \cdot(n-1) ! \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2023-01-09 | If mercury is used as cathode in the electrolysis of aqueous \( \mathrm{NaCl} \) solution, the i... |
| 2023-01-09 | यदि \( A=\{1,2,3,4\}, B=\{3,4,5\}, C=\{1,5,6\} \), तो निम्नलिखित प्रत्येक को ज्ञात कीजिए-
\( A \... |
| 2023-01-09 | How does heavy water react with |
| 2023-01-09 | किन्हीं दो समुच्चयों \( A \) और \( B \) के लिए \( B^{\prime}-A^{\prime} \) बराबर है-
(A) \( A \c... |
| 2023-01-09 | निम्न में से कौन-सा कथन रस विहीन कपास किस्मों के लिये सही है?
(A) ये तने की सॉफ्लाई (Sawfly) को ... |
| 2023-01-09 | Impure glycerine can be purified by:
(A) steam distillation
(B) vacuum distillation
(C) simple d... |
| 2023-01-09 | \( 15 \mathrm{~mL} \) of a gaseous hydrocarbon required \( 45 \mathrm{~mL} \) of oxygen for comp... |
| 2023-01-09 | A bottle containing two immiscible liquids is given to you. These may be separated by:
(A) fract... |
| 2023-01-09 | Arrange the following radical in order of decreasing stability:
(i)
(ii)
(iii)
(A) \( \mathrm{ii... |
| 2023-01-09 | When petroleum is heated gradually, first batch of vapours evolved will be rich in:
(A) kerosene... |
| 2023-01-09 | \( n \) का मान ज्ञात कीजिए, यदि\( (n+2) !=60 \cdot(n-1) ! \) |
| 2023-01-09 | Coal-tar is obtained as by product during:
(A) destructive distillation of wood
(B) destructive ... |
| 2023-01-09 | Some organic compounds are purified by distillation at low pressure because the compounds are:
(... |
| 2023-01-09 | Which is useful for separating benzoic acid from a mixture of benzoic acid and methyl benzoate?
... |
| 2023-01-09 | निम्नलिखित से \( \frac{d y}{d x} \) ज्ञात कीजिए- \[ 5 x^{2}+5 y^{2}-7 y+3 x+2=0 \] |
| 2023-01-09 | निम्न में से कौन-सी जोड़ी बेमेल है?
(A) प्यूरीन्स
- एडिनीन और गुआनीन
(B) पिरिमिडीन्स
- साइटोसीन ... |
| 2023-01-09 | In the reaction \( \mathrm{I}^{-}+\mathrm{I}_{2} \rightarrow \mathrm{I}_{3}^{-} \), the Lewis ac... |
| 2023-01-09 | स्तंभ-I के मानों (Values) को स्तंभ-II के साथ मिलान करें तथा सही विकल्प को चिन्हित करें।
\begin{t... |
| 2023-01-09 | Which of the following is(are) not Lewis base(s)?
(A) \( \mathrm{Ag}^{+} \)
(B) \( \mathrm{H}_{2... |
| 2023-01-09 | भारत के कुल घरेलू उत्पाद का मुख्य प्रतिशत निम्न द्वारा निर्मित होता है-
(A) उद्योग
(B) कृषि
(C) ... |
| 2023-01-09 | The ionization constant of a base B is \( 1 \times 10^{-11} \), the \( \mathrm{pH} \) of its \( ... |
0