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\documentclass {article}
\usepackage {geometry}
\usepackage {amsmath}
\begin {document}
With align* command :-\\
\\
\\
\begin {align*}
a = b + c
\\ abcd = f + g + h
\end {align*}\\
\\
\\
\\
Without align* command :-\\
\\
\\
a = b +c
\\abcd = f + g + h
\\
\\
\\
With align* command and ''and'' symbol used:-\\
\\
\\
\begin {align*}
a & = b + c
\\ abcd & = f + g + h
\end {align*}\\
\\
\\
\\
Without align* command and `'and'' symbol used :-\\
\\
\\
a &= b +c
\\abcd &= f + g + h
\\
\\
\\
\end {document}
leandriis
  • 62,593
Anushka Tilekar
  • 3
  • 1
    the error is in the last case where you have used & outside of an alignment, simply remove it. also remove all the \\ which generate Underfull \hbox (badness 10000) in paragraph at lines 11--26 – David Carlisle Feb 25 '21 at 20:04
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    every \\ in this example is wrong except for \\ abcd & = f + g + h and even they are placed in an unusual positiion \\ ends the line, so it would be more usual to place the \\ at the end of the line above after + c – David Carlisle Feb 25 '21 at 20:06

0 Answers0