Question
If (a + b) = 1 and (1/a) – 2b = 5/a then find the
value of a2 + b2.Solution
As, a2 + b2 = (a + b)2 – 2ab ------------- (1) (1/a) – 2b = 5/a 1/a – 5/a = 2b - 4/a = 2b 2ab = - 4 Substitute the values of 2ab and a + b in (1) a2 + b2 = 1 - (-4) = 5
A bill of lading is:
What is the time limit to get the information under RTI Act 2005?
Under the Mines and Minerals (Development and Regulation) Act, 1957 who has been given the power to amend the First Schedule and the Fourth Schedule so ...
The Arbitration and Conciliation act was last amended in the year?
What is the time period within which a suit filed under the provisions of the Specific Relief Act shall be disposed of by the court?
Which of the following facilities should be provided by the contractor for contract labour?
 I.       Supply of wholesome drinking wat...
What are the number of directors that the Board may appoint on the governing board of recognized stock exchange or recognized clearing corporation?
Which of the following is not true about powers of a president to promulgate an ordinance?
     i.       It is provided under Art. ...
How many years of experience is required to become a High Court Judge in India?
The Nanda Devi peak is located in :
Relevant for Exams:
