Which of the following are like terms?
a) 5xyz2,−3xy2z
b) −5xyz2,7xyz2
c) 5xyz2,5x2yz
d) 5xyz2,x2y2z2
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Solution
b) −5xyz2,7xyz2
→We know that, the terms having same algebraic (literal) factors are called like terms.
a) 5xyz2,−3xy2z [unlike terms]
b) −5xyz2,7xyz2 [like terms]
c) 5xyz2,5x2yz [unlike terms]
d) 5xyz2,x2y2z2 [unlike terms]