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9 class mathematics english medium practise questions

10 class mathematics study material english medium Questions and answers with videos QR codes

NMMS 1,4,9,16,25,? Ans:.  These are square numbers so Next number is 36

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Real Numbers definations Number system

In algebra, we come  across two types of symbols namely constants and variables. Constant :-    A symbol having   fixed numerical value is called a constant Variable or a Literal :-   A symbol which can take   various numerical values is called a variable or a literal                   A symbol which takes on various numerical values is called a variable or a literal Which is the product of a constant and a variable is also a variable. EX:   3x,   -5y etc., A combination of two or more variables separated by + sign or   – sign is also a variable. Constants:    A symbol having   fixed numerical value is called a constant. In fact, every number is   constant. TERMS: A constant or a variable or the product of a constant and a variable is called a term. Product of two or more terms is also called a term. Every constant or variable is called a term. 3x.y     ALGEBRIC EXPRESSIONS: A combination of constants and variables, connected by the