TRICKS GURU

  While giving the exams of any subject based on Mathematics, the biggest challenge before every student is the calculation. Here, whether we talk about entrance exams or competitive exams for the job, the calculation skills of the student should be very good. Due to the long calculations, the student takes so much time to solve one question. If some tricks and shortcuts are used while calculating, then it will take a few minutes to solve a long time-consuming question and you will also save time. Here in this article today, we will tell you about such special tricks, with the help of which you will be able to find square of any number in a few seconds.  These tricks are as follows: Now we have to find the square of these given two digits numbers. i>    (73)² =?                          -:Trick:- 7² =49 3² =09 (we have to write two digits) Now multiply the given two digits numbers and power. 7 × 3 × ...

IT IS AN ATTEMPT TO PROVIDE A TOOL TO INCREASE MATH KNOWLEDGE FOR ALL COMPETITIVE EXAMS IN AN EFFECTIVE MANNER. HERE IS A BRILLIANT WAY TO LEARN MATH (ALL CHAPTERS)FOR  HIGH SCHOOL, SENIOR SECONDARY  SCHOOL AND COMPETITIVE EXAMS(SSC CGL,CPO AND BANK EXAMS ...) HAVE FUN!    ALGEBRA Now we have to solve this problem within seconds.   Trick:-  N :- given number N² ±2 ( if power is 2) Sign trick:- According to question N = 3 Power is 2 Sign is  (+  ,  +) Final sign will be  (-) By applying above tricks             (N² - 2) 3² -  2 = 9 - 2 = 7 Ans✓✓ Q2. Sol:- By applying above tricks           (N²±2)          • N :- 4          •Given sign is ( - ,+)           •Final sign will be  (+)           •(N² + 2)           4² + 2 = 16 + 2 = 18 Ans✓✓