अगर सम ऐसा हो = 9 Pq+(-5 Pq) मुझे इतना तो समझ आता है भई=9 Pq- 5 Pq सिग्नेचर माइनस का आएगा क्यूंकि +- = - तो सलूशन ऐसे करेंगे = 9 Pq-5 Pq = 4 Pq बट अपन तो माइनस कर रहे रही और उस हिसाबसे तो pq-pq= pq क्यों आएगा 0 आना चाहिए ना तो प्लीज् एक्सप्लेन me
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Answers
Answer:
PQ is variable term that not staying always same.
on the contrary,9,5 are number that subtract easily .
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Answer:
mathematics is the subject which depends on rules. we know that every operation such as subtraction, multiplication, addition,division has rules. We follow those rules for solving questions.In subtraction and addition there is add. or sub. of only coefficients not variables.
Step-by-step explanation:
eg., x+3x =4x
In above example observe carefully we add. only coefficients.
coefficient of first term is 1 and second term coefficient is 3 we added only numbers.
variables are in the form of alphabets only. We can't add. or subtract variables in addition and subtraction .Because some rules of subtraction and addition are different than multiplication and division.
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