when x approaches from left side in questions it's used like this put x=4-h or in its vice versa put x =4+h. what does 4+h and 4-h signifies? what is h?
Asked by Akshiet kutiyal | 9th Jun, 2014, 02:05: AM
Expert Answer:

Answered by Dharma Teja | 9th Jun, 2014, 11:14: AM
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