Question
Simplify the following expression: (5x + 7) 2
+ (5x – 7) 2 .Solution
(5x + 7) 2 + (5x – 7) 2 = 25x 2 + 49 + 70x + 25x 2 + 49 – 70x
= 50x 2 + 98
= 2(25x 2 + 49)
In a certain code language, '2, 4, 6' means 'object for required'; '6, 3, 5, 2' means 'circular for motion required' and '3, 7, 4, 1' means 'object smal...
In the question, assuming the given statements to be true, find which of the conclusion (s) among given two conclusions is /are definitely true and the...
If ‘ROTTEN’ is coded as ‘52’, ‘RISE’ is coded as ‘23’, then what is the code for ‘FIRE’?
- In a code language, ‘GARMENTS’ is written as ‘TYINCMGH’ and ‘INFALTION’ is written as ‘GMUYOGGMM’. How will ‘CONSTANT’ be written in th...
If ‘DOG’ = 78, then ‘BARK’ = (?)
What is the possible code for “result focus” in the given code language?
Which among the following is coded as ‘xcb’ in the given language?
In a certain code language ‘WHOLE’ is coded as 46-16-30-24-10 and ‘FAINT’ is coded as 12-2-18-28-40. How will ‘SUPER’ be coded in that langu...
In a certain code, SECTOR is written as RDDUNQ and BRINGS is written as AQJOFR . How is COURSE written in that code?
...If ‘GRACE’ can be coded as ‘FDBSH’ how can ‘BLOOM’ be coded?
Relevant for Exams:
